3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = $b = $c = 1; $c = $a ?: $b;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3dsTq
function name:  (null)
number of ops:  7
compiled vars:  !0 = $a, !1 = $b, !2 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                           ~3      !2, 1
          1        ASSIGN                                           ~4      !1, ~3
          2        ASSIGN                                                   !0, ~4
    4     3        JMP_SET                                          ~6      !0, ->5
          4        QM_ASSIGN                                        ~6      !1
          5        ASSIGN                                                   !2, ~6
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
155.24 ms | 1392 KiB | 13 Q